(function () {
		var Event = YAHOO.util.Event,
			Dom = YAHOO.util.Dom;

		Event.onDOMReady(function () {
			var oCalendarMenu;
			var onButtonClick = function () {
				// Create a Calendar instance and render it into the body
				// element of the Overlay.
				var oCalendar = new YAHOO.widget.Calendar("buttoncalendar", oCalendarMenu.body.id);
				oCalendar.render();

				// Subscribe to the Calendar instance's "select" event to
				// update the month, day, year form fields when the user
				// selects a date.
				oCalendar.selectEvent.subscribe(function (p_sType, p_aArgs) {
					var aDate;
					if (p_aArgs) {
						aDate = p_aArgs[0][0];
                        var dia = aDate[2];
                        if(dia<10)
                            dia = "0"+dia;
                        var mes = aDate[1];
                        if(mes<10)
                            mes = "0"+mes;
						Dom.get("fechaDelito").value = dia+"-"+mes+ "-"+aDate[0];
					}
					oCalendarMenu.hide();
				});

				// Pressing the Esc key will hide the Calendar Menu and send focus back to
				// its parent Button
				Event.on(oCalendarMenu.element, "keydown", function (p_oEvent) {
					if (Event.getCharCode(p_oEvent) === 27) {
						oCalendarMenu.hide();
						this.focus();
					}
				}, null, this);

				var focusDay = function () {
					var oCalendarTBody = Dom.get("buttoncalendar").tBodies[0],
						aElements = oCalendarTBody.getElementsByTagName("a"),
						oAnchor;

					if (aElements.length > 0) {
						Dom.batch(aElements, function (element) {
							if (Dom.hasClass(element.parentNode, "today")) {
								oAnchor = element;
							}
						});

						if (!oAnchor) {
							oAnchor = aElements[0];
						}

						// Focus the anchor element using a timer since Calendar will try
						// to set focus to its next button by default

						YAHOO.lang.later(0, oAnchor, function () {
							try {
								oAnchor.focus();
							}
							catch(e) {}
						});
					}
				};

				// Set focus to either the current day, or first day of the month in
				// the Calendar	when it is made visible or the month changes
				oCalendarMenu.subscribe("show", focusDay);
				oCalendar.renderEvent.subscribe(focusDay, oCalendar, true);

				// Give the Calendar an initial focus
				focusDay.call(oCalendar);

				// Re-align the CalendarMenu to the Button to ensure that it is in the correct
				// position when it is initial made visible
				oCalendarMenu.align();

				// Unsubscribe from the "click" event so that this code is
				// only executed once
				this.unsubscribe("click", onButtonClick);
			};

			// Create an Overlay instance to house the Calendar instance
			oCalendarMenu = new YAHOO.widget.Overlay("calendarmenu", { visible: false });

			// Create a Button instance of type "menu"
			var oButton = new YAHOO.widget.Button({
												type: "menu",
												id: "calendarpicker",
												label: "Choose A Date",
												menu: oCalendarMenu,
												container: "datefields" });

			oButton.on("appendTo", function () {
				// Create an empty body element for the Overlay instance in order
				// to reserve space to render the Calendar instance into.
				oCalendarMenu.setBody("&#32;");
				oCalendarMenu.body.id = "calendarcontainer";
			});

			// Add a "click" event listener that will render the Overlay, and
			// instantiate the Calendar the first time the Button instance is
			// clicked.
			oButton.on("click", onButtonClick);
		});
	}());
